2018年专四英语阅读题预热练习
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Before the mid 1860’s, the impact of the railroads in the UnitedStates was limited, in the sense that the tracks ended at thisMissouri River, approximately the center of the country. At thepoint the trains turned their freight, mail, and passengers overto steamboats, wagons, and stagecoaches. This meant thatwagon freighting, stage coaching, and steam boating did notcome to an end when the first train appeared; rather theybecame supplements or feeders. Each new “end of track”became a center for animal drawn or waterbornetransportation. The major effect of the railroad was to shorten the distance that had to be coveredby the older, slower, and more costly means. Wagon freighters continued operating throughoutthe 1870’s and 1880’s and into the 1890’s. Although over constantly shrinking routes, andcoaches and wagons continued to crisscross the West wherever the rails had not yet been laid.The beginning of a major change was foreshadowed in the later 1860’s, when the Union PacificRailroad at last began to build westward from the Central Plains city of Omaha to meet the CentralPacific Railroad advancing eastward from California through the formidable barrier of the SierraNevada. Although President Abraham Lincoln signed the original Pacific Railroad bill in 1862 and arevised, financially much more generous version in 1864, little construction was completed until1865 on the Central Pacific and 1866 on the Union Pacific. The primary reason was skepticism thata Railroad built through so challenging and thinly settled a stretch of desert, mountain, andsemiarid plain could pay a profit. In the words of an economist, this was a case of “prematureenterprise”, where not only the cost of construction but also the very high risk deterred privateinvestment. In discussing the Pacific Railroad bill, the chair of the congressional committee bluntlystated that without government subsidy no one would undertake so unpromising a venture; yet itwas a national necessity to link East and West together.
1. The author refers to the impact of railroads before the late 1860’s as “limited” because ____
A. the track did not take the direct route from one city to the next
B. passengers and freight had to transfer to other modes of transportation to reach westerndestinations
C. passengers preferred stagecoaches
D. railroad travel was quite expensive
2. What can be inferred about coaches and wagon freighters as the railroad expanded?
A. They developed competing routes.
B. Their drivers refused to work for the railroads.
C. They began to specialize in private investment.
D. There were insufficient numbers of trained people to operate them.
3. Why does the author mention the Sierra Nevada in line 17
A. To argue that a more direct route to the West could have been taken.?
B. To identify a historically significant mountain range in the West.
C. To point out the location of a serious train accident.
D. To give an example of an obstacle faced by the central pacific.
4. The word “subsidy” in line 27 is closest in meaning to _____.
A. persuasion B. financing C. explanation D. penalty
答案解析：
1. B)根据文章前五句可知，在十九世纪六十年代晚期前铁路在美国的影响是有限的“limited”，当时铁路只从美国东部修到了美国中部，运到美国西部地区的货物只有在铁路的尽头“end-of-track”改用其他的运输方式，比如：汽船、马车等，它们的`运输效率可想而知。故选项B为正确答案。
2. D)这是一道推论题。可用排除法做此题。根据文章第六行至第七行“rather they becamesupplements or feeders”和第十行至第十三行“Wagon freighters continued operating throughoutthe 1870’s and 1880’s and into the 1890’s. Although over constantly shrinking routes, andcoaches and wagons continued to crisscross the West wherever the rails had not yet been laid.”可知随着铁路线的不断延伸，马车货运的路线日益减少，虽然马车货运经营者们继续在西部发展货运线路，但是它们只是铁路运输的补充。因此选项A“他们发展了有竞争性的线路”可以排除。而选项B、C文中根本没有提及。故只有选项D为正确答案。
3. D)根据“the Sierra Nevada”所在句可知作者提到它是因为它是修建横跨东西铁路的一个巨大的障碍，故D为正确答案。
4. B)Subsidy意为“补助金，津贴”，与financing意义相符
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